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Finding the Fourth Proportional to 844.09, 1,266.56 and 473.67

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Solution

The fourth proportional to 844.09, 1,266.56 and 473.67 is: 710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.09 : 1,266.56 = 473.67 : x
  2. Step 2: Convert to fraction form
    844.09/1,266.56 = 473.67/x
  3. Step 3: Cross multiply
    844.09x = 1,266.56 × 473.67
  4. Step 4: Simplify right side
    844.09x = 599,931.48
  5. Step 5: Solve for x
    x = 599,931.48/844.09
  6. Step 6: Final answer
    x = 710.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.